Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh tran » thanh trang, thanh toan, thanh tra
van thuong » va thuong, van chuong, van phuong
cong bang » cuong bang, dong bang, hong bang
tran manh » tran minh, tran thanh, tran dinh
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
tran van » luan van
than man » than ma, thanh san, than phan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sach - thanh tran van thuong cong bang ((than man) or (tran manh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - thanh tran van thuong cong bang ((than man) OR (tran manh)).
• Adding a wildcard symbol may retrieve word variants: theo chu sach - thanh tran van thuong cong bang ((than man) or (tran manh))*.